The
Tour de Famelon (2,143 m) is a mountain of the Swiss Prealps, located north of
Leysin 
in the canton of
Vaud 
. It lies between the
Tour de Mayen 
and the
Pierre du Moëllé 
, on the range lying between the lake of Hongrin and the valley of Ormont Dessous and Ormont Dessus.